Cutting well one-step down-the-hole drilling rig

DTH technique was used in well drilling exclusively to dig, accurate, vertical bores, and rotary drilling was used to turn the hole. The Directional DTH system, patented by Atlas Copco, was first used successf. [pdf]

Laser cutting screw air compressor and piston air compressor

Laser cutting is a widely used laser processing technology globally. Its use dates back to the 1970s when it was first used for cutting purposes. The rise and popularity of third-generation laser technology in. [pdf]